10.97% is the change from 155 to 172
Calculation steps:
[( 172 - 155 ) ÷ 155] x 100 = 10.97%
Formula
Percentage change = [(172 - 155) / 155] x 100
Subtract the new number by the original number
172 - 155 = 17
17 ÷ 155 = 0.10967741935483871
0.10967741935483871 x 100 = 10.97%